Adopt let else in more places

2022-02-19 00:48:49 +01:00
parent b8c56fa8c3
commit 2ef8af6619
132 changed files with 539 additions and 881 deletions
--- a/compiler/rustc_builtin_macros/src/concat.rs
+++ b/compiler/rustc_builtin_macros/src/concat.rs
@@ -10,9 +10,8 @@ pub fn expand_concat(
    sp: rustc_span::Span,
    tts: TokenStream,
 ) -> Box<dyn base::MacResult + 'static> {
-    let es = match base::get_exprs_from_tts(cx, sp, tts) {
-        Some(e) => e,
-        None => return DummyResult::any(sp),
+    let Some(es) = base::get_exprs_from_tts(cx, sp, tts) else {
+        return DummyResult::any(sp);
    };
    let mut accumulator = String::new();
    let mut missing_literal = vec![];